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From "Christopher Tubbs (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-1703) Thrift generated code isn't properly checked for optional fields
Date Mon, 09 Sep 2013 22:56:53 GMT
Christopher Tubbs created ACCUMULO-1703:

             Summary: Thrift generated code isn't properly checked for optional fields
                 Key: ACCUMULO-1703
             Project: Accumulo
          Issue Type: Bug
            Reporter: Christopher Tubbs
             Fix For: 1.6.0

In our thrift definition files, we declare some fields as optional. However, we don't actually
check to see if they are sent. This may be okay for Objects, which we can check for null,
but it won't work for checking optional primitives.


ProxyServer.createBatchScanner() accepts a BatchScanOptions object, which has the number of
threads as an optional parameter. Instead of calling opts.threads, we should check if opts.isSetThreads()
is true, and then retrieve it with opts.getThreads().

This is an essential check for all optional arguments (non-optional args are validated by
the generated validate() method).

The importance of the optional field is high, if we want to support RPC compatibility across
versions. As far as I know, this is one of the goals of the client proxy. So, we must use
the thrift features (such as the optional flag) correctly.

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